Researchers have known for decades that tiny plastic particles were accumulating in rivers and lakes. But they're only ...

Most people think indoor air is cleaner than outdoor air by default. You close the door, shut the windows, and feel protected. The house feels sealed .

Your kitchen toaster, the same one that quietly sits on the counter between weekend brunches, may be flooding your home with ...

Wildfire smoke is no longer just a short‑lived air quality problem drifting over cities for a few hazy days. New research ...